1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following series of transitions in the spectrum of hydrogen atom falls in visible region?
A
Paschen series
B
Brackett series
C
Lyman series
D
Balmer series
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The mixture that forms maximum boiling azeotrope is :
A
Ethanol + Water
B
Acetone + Carbon disulphide
C
Heptane + Octane
D
Water + Nitric acid
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which will make basic buffer?
A
100 mL of 0.1 M HCl + 200 mL of 0.1 M NH4OH
B
100 mL of 0.1 M HCl + 100 mL of 0.1 M NHOH
C
50 mL of 0.1 M NaOH + 25 mL of 0.1 M CH3COOH
D
100 mL of 0.1 M CH3COOH + 100 mL of 0.1 M NaOH
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the following :

(a) Pure nitrogen (i) Chlorine
(b) Haber process (ii) Sulphuric acid
(c) Contact process (iii) Ammonia
(d) Deacon’s process (iv) Sodium azide or Barium azide


Which of the following is the correct option?
A
(a) (b) (c) (d)
(iii) (iv) (ii) (i)
B
(a) (b) (c) (d)
(iv) (iii) (ii) (i)
C
(a) (b) (c) (d)
(i) (ii) (iii) (iv)
D
(a) (b) (c) (d)
(ii) (iv) (i) (iii)